Finding the Fourth Proportional to 113,632, 156,648.20 and 79,534.96

Step by Step Solution

1. Step 1: Write the proportion equation
   113,632 : 156,648.20 = 79,534.96 : x
2. Step 2: Convert to fraction form
   113,632/156,648.20 = 79,534.96/x
3. Step 3: Cross multiply
   113,632x = 156,648.20 × 79,534.96
4. Step 4: Simplify right side
   113,632x = 12,459,008,321.07
5. Step 5: Solve for x
   x = 12,459,008,321.07/113,632
6. Step 6: Final answer
   x = 109,643.48